54578287545 has 32 divisors (see below), whose sum is σ = 89785511424. Its totient is φ = 28293580800.

The previous prime is 54578287537. The next prime is 54578287549.

It is a happy number.

54578287545 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54578287545 - 2³ = 54578287537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54578287549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2929 + ... + 330401.

It is an arithmetic number, because the mean of its divisors is an integer number (2805797232).

Almost surely, 2^54578287545 is an apocalyptic number.

It is an amenable number.

54578287545 is a deficient number, since it is larger than the sum of its proper divisors (35207223879).

54578287545 is a wasteful number, since it uses less digits than its factorization.

54578287545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327793.

The product of its digits is 62720000, while the sum is 60.

The spelling of 54578287545 in words is "fifty-four billion, five hundred seventy-eight million, two hundred eighty-seven thousand, five hundred forty-five".